Finding the Third Proportional to 40.87 and 88.12

Step by Step Solution

1. Step 1: Write the proportion equation
   40.87 : 88.12 = 88.12 : x
2. Step 2: Convert to fraction form
   40.87/88.12 = 88.12/x
3. Step 3: Cross multiply
   40.87x = 88.12 × 88.12
4. Step 4: Simplify right side
   40.87x = 7,764.98
5. Step 5: Solve for x
   x = 7,764.98/40.87
6. Step 6: Final answer
   x = 190.00